# tushare_mirror/exceptions.py

class StorageError(Exception):
    """存储操作异常基类"""
    pass

class APIConnectionError(Exception):
    """API连接异常"""
    pass

class InvalidSymbolError(Exception):
    """无效股票代码异常"""
    pass

class DataError(Exception):
    """数据相关异常基类"""
    pass